US3367533A - Container seam and method of making same - Google Patents

Container seam and method of making same Download PDF

Info

Publication number
US3367533A
US3367533A US417563A US41756364A US3367533A US 3367533 A US3367533 A US 3367533A US 417563 A US417563 A US 417563A US 41756364 A US41756364 A US 41756364A US 3367533 A US3367533 A US 3367533A
Authority
US
United States
Prior art keywords
flange
seam
end closure
double
tight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US417563A
Inventor
Baker Harry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Primerica Inc
Original Assignee
American Can Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Can Co filed Critical American Can Co
Priority to US417563A priority Critical patent/US3367533A/en
Priority to GB52448/65A priority patent/GB1124968A/en
Application granted granted Critical
Publication of US3367533A publication Critical patent/US3367533A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
    • B65D7/34—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls
    • B65D7/36—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls formed by rolling, or by rolling and pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/30—Folding the circumferential seam
    • B21D51/32—Folding the circumferential seam by rolling

Definitions

  • a container having a can body and end closure of lightweight sheet metal has an end seam wherein the end portion of the end closure flange is provided with a closed hem disposed between the body flange and the adjacent portion of the body to provide a seam which can be formed without wrinkles, folds, corrugations, or other deformltres
  • the present invention relates generally to improved double seams and more particularly to a method of dou ble seaming an end formed of thin tinplate of high hardness and low ductility onto a can body.
  • Another object is to provide such a can end which is made of thin tinplate of relatively high hardness and low ductility.
  • Yet another object is the provision of such a can end which is designed to be attached to a can body in conventionally known seams, such as double seams, which are free of pin lips or other irregularities in the seam caused by wrinkled end flanges.
  • a still further object of the present invention is to provide a tight, hermetic double seam and method of making the same for a container formed of a thin, lightweight sheet metal.
  • Another object is to provide an improved method of making a double seam between two members formed of lightweight sheet metal, which method prevents the formation of wrinkles in the members during the seaming operation.
  • a further object is the provision of such a method for forming a double seam between a can body and an end closure wherein the marginal portion of the end closure is reinforced to prevent it from wrinkling when it is curled and reduced in size during the seaming operation.
  • Still another object is to provide an improved double seam between a can body and an end closure formed of thin, lightweight sheet metal, which seam is so constructed as to be of suflicient thickness to allow easy gripping thereof by an opening tool.
  • a still further object is the provision of such an improved double seam wherein an additional thickness of metal is provided in the seam to make it sufliciently wide for easy gripping by an opening tool.
  • FIGURE 1 is a fragmentary elevational view in section of a can body and an end closure positioned thereon prior to a double seaming operation, the marginal portion of the end closure flange being provided with a relatively tight curl in accordance with the principles of the instant invention;
  • FIG. 2 is a view similar to FIG. 1, showing the relative positions of the can body flange and the end closure flange after a first double seaming operation;
  • FIG. 3 is a view similar to FIG. 2 showing the relative positions of the can body flange and the end closure flange after the second and final double seaming operation, in which the tight curl on the marginal portion of the end closure flange is reformed into a closed hem.
  • FIG. 1 illustrates a can end closure 10 which is formed of thin tinplate known to the trade as ZCR tinplate.
  • ZCR tinplate thin tinplate known to the trade as ZCR tinplate.
  • the steel base is cold rolled to a heavy gauge, annealed, electroplated with about double the finally desired thickness of tin and then given a heavy cold reduction of about 50% to its finally desired thickness, whereby both the steel and tin coating are reduced proportionately in thickness.
  • the resulting tinplate has high hardness, high yield and tensile strength, no yield point or yield elongation, high directionality and low ductility, and is much more difficult to work than is conventional tinplate.
  • the weight of such ZCR plate ranges downwardly from lbs.
  • the instant invention is particularly useful in conjunction with can ends made from such stock in weights of 60 lbs. per base box (known in the trade as 60 lbs. 2CR plate) and under, since it has heretofore been impractical to double seam ends made from such stock without unacceptable wrinkling of the end flanges.
  • the end closure 10 generally comprises a flat countersunk central panel 12 which merges at its outer end with a generally upwardly extending countersink wall 14 which in turn merges at its upper end with a generally outwardly extending, curved flange 16 that terminates at its outer end in a relatively tight, downwardly, inwardly and upwardly extending open curl 22 having, for example, a radius of curvature of approximately .038 inch (see FIG. 3) and having its raw edge 23 facing in a generally upward direction.
  • the tight curl 22 may be formed in the flange 16 by any suitable or conventional apparatus, such as curling wheels and segments (not shown).
  • the central panel 12 and countersink wall 14 of the end closure 10 are positioned within one end of the can body 24, which may be formed of a sheet metal similar to or the same as that from which the end closure 10 is formed, or may be formed of any other suitable material.
  • the can body 24 comprises a side wall 26 which merges at one end thereof with a generally outwardly extending flange 28 (see FIG. 1).
  • the undersurface of the end closure flange 16 may be coated with a layer of a compressible sealing compound 30, such as a conventional latex-based material or a foamed plastisol, in order to provide a hermetic seam between the end closure 10 and the can body 24.
  • a compressible sealing compound 30 such as a conventional latex-based material or a foamed plastisol
  • the end closure flange 16 and the can body flange 28 are initially formed into a loose, first operation double seam in a first seaming operation which is accomplished by any suitable apparatus, such as suitably contoured seaming rolls (not shown). Such rolls are conventional and are of the type generally disclosed in the United States Letters Patent 1,699,069.
  • first operation double seam the body flange 28 is rolled downwardly and inwardly toward the body Wall 26 and the end closure flange 16 is rolled downwardly around the end of the body flange 28 and then upwardly into a hook portion 32 which is disposed between the body flange and the body side wall 26.
  • the tight curl 22 in the end closure flange 16 thus is disposed between the hook portion 32 and the body flange 28, and now has its raw edge 23 facing downwardly and in outwardly spaced relationship to the hook portion 32.
  • the formation of the tight curl 22 in the end closure flange 16 serves to reinforce and strengthen the end portion thereof, and thus serves to prevent wrinkling, corrugating or other undesirable nonuniform deformation of the end closure flange 16 during the formation of the first operation double seam (FIG. 2) between the can body 24 and the end closure 10.
  • This reinforcement of the end portion of the closure flange 16 is vital to the successful formation of a commercially acceptable seam embodying lightweight 2CR plate ends, since without such reinforcement, it has been found that this first seam forming operation results in the formation of wrinkles or other deformities in the end closure flange owing to the size reduction thereof during the double seaming operation, and these deformities in turn result in various types of seam malformations, such as pin lips and/ or perforation of the can body 24.
  • the first operation double seam of FIG. 2 subsequently is compressed into a completed, tight double seam by any suitable apparatus, such as a final seaming roll (not shown) of the type disclosed in the aforementioned United States Patent 1,699,069, in a second seam forming operation.
  • a final seaming roll (not shown) of the type disclosed in the aforementioned United States Patent 1,699,069
  • the tight curl 22 of the end closure flange 16 is collapsed or reformed into a closed hem 34 which is disposed outwardly of the hook portion 32 of the end closure flange 16.
  • the closed hem 34 is disposed between and in tight engagement with the can body flange 28 and the hook portion 32, and has its raw edge 23 facing downwardly.
  • the hem 34 serves to add an additional thickness of metal to the width of the completed double seam, and thus insures that the completed double seam between the end closure 10' and can body 24 of thin sheet metal Will be of suflicient width so as to be more easily engageable by an opening tool to facilitate opening of the finished can.
  • a container comprising a body and an end closure of tinplate having a weight of not more than about 100 pounds per base box and a hardness from about to 83 Rockwell 30T, secured to said body in a double seam, said body extending reversely back on itself to form an outwardly disposed end flange, said closure having a peripheral flange extending outwardly of said body flange and then inwardly around the end portion thereof, said end closure flange terminating in a hook portion having the end thereof formed into an outwardly extending narrow closed hem which is disposed between said body flange and the adjacent portion of said body.
  • a container comprising a thin sheet metal body and a thin sheet metal end closure secured to said body ina double seam, said body extending reversely back on itself to form an outwardly disposed end flange, said closure having a countersink wall disposed within an end of said body and a peripheral flange extending outwardly from said countersink wall and over said body flange, said end closure flange being bent inwardly around the end portion of said body flange and terminating in a hook portion having the end thereof formed into an outwardly extending narrow closed hem which is disposed between said body flange and the adjacent portion of said body.

Description

- Feb. 6, 1968 H. BAKER 3,367,533
CONTAINER SEAM AND METHOD OF MAKING SAME Filed Dec. 11. 1964 f g A; 2
Z; IJNVENTOR.
Z3 v a mxwy fiAKf/Q Z Y I United States Patent O 3,367,533 CONTAINER SEAM AND METHOD OF MAKING SAME Harry B aker, Ancaster, Ontario, Canada, assignor to American Can Company, New York, N.Y., a corporation of New Jersey Filed Dec. 11, 1964, Ser. No. 417,563 4 Claims. (Cl. 22067) ABSTRACT OF THE DISCLQSURE A container having a can body and end closure of lightweight sheet metal has an end seam wherein the end portion of the end closure flange is provided with a closed hem disposed between the body flange and the adjacent portion of the body to provide a seam which can be formed without wrinkles, folds, corrugations, or other deformltres The present invention relates generally to improved double seams and more particularly to a method of dou ble seaming an end formed of thin tinplate of high hardness and low ductility onto a can body.
In attempting to form double seams between a can body and a conventionally configured end closure formed of lightweight sheet metal of relatively high hardness and low ductility, such as 60 lb., 2CR tinplate, it has been found that deformities such as wrinkles, folds or corrugations, are formed in the flange of the end closure during the first seaming operation because of a diameter reduction effected in the closure flange by the first operation double seaming rolls. These deformities not only result in unsightly double seams, but also break the continuity of the seam and in some instances even result in perforation of the can body during the double seaming operation, and thus often prevent the formation of a tight, hermetic seal between the can end and can body.
This problem has been solved by providing the marginal portion of the end closure flange with a tight, hollow, inward curl which serves to reinforce or stiffen the marginal portion of the flange and thus prevents the formation of the undesirable deformities in the flange during the seaming operation. The curl is so construed as to enable it to be collapsed into a closed hem during the second seaming operation in order to permit the formation of a tight, solid double seam. As a result, it has been possible for the first time to utilize lightweight ZCR plate for commercially acceptable double seamed can ends.
It is an object of the present invention, therefore, to provide a can end made of thin sheet metal having a flange configuration which is designed to prevent wrinkling of the flange when the flange is reshaped during a seam forming operation.
Another object is to provide such a can end which is made of thin tinplate of relatively high hardness and low ductility.
Yet another object is the provision of such a can end which is designed to be attached to a can body in conventionally known seams, such as double seams, which are free of pin lips or other irregularities in the seam caused by wrinkled end flanges.
A still further object of the present invention is to provide a tight, hermetic double seam and method of making the same for a container formed of a thin, lightweight sheet metal.
Another object is to provide an improved method of making a double seam between two members formed of lightweight sheet metal, which method prevents the formation of wrinkles in the members during the seaming operation.
3,367,533 Patented Feb. 6, 1968 A further object is the provision of such a method for forming a double seam between a can body and an end closure wherein the marginal portion of the end closure is reinforced to prevent it from wrinkling when it is curled and reduced in size during the seaming operation.
Still another object is to provide an improved double seam between a can body and an end closure formed of thin, lightweight sheet metal, which seam is so constructed as to be of suflicient thickness to allow easy gripping thereof by an opening tool.
A still further object is the provision of such an improved double seam wherein an additional thickness of metal is provided in the seam to make it sufliciently wide for easy gripping by an opening tool.
Numerous other objects and advantages of the invention will be apparent as it is better understood from the following description, which, taken in connection with the accompanying drawing, discloses a preferred embodiment thereof.
Referring to the drawing:
FIGURE 1 is a fragmentary elevational view in section of a can body and an end closure positioned thereon prior to a double seaming operation, the marginal portion of the end closure flange being provided with a relatively tight curl in accordance with the principles of the instant invention;
FIG. 2 is a view similar to FIG. 1, showing the relative positions of the can body flange and the end closure flange after a first double seaming operation; and
FIG. 3 is a view similar to FIG. 2 showing the relative positions of the can body flange and the end closure flange after the second and final double seaming operation, in which the tight curl on the marginal portion of the end closure flange is reformed into a closed hem.
As a preferred or exemplary embodiment of the instant invention, FIG. 1 illustrates a can end closure 10 which is formed of thin tinplate known to the trade as ZCR tinplate. In making such plate, the steel base is cold rolled to a heavy gauge, annealed, electroplated with about double the finally desired thickness of tin and then given a heavy cold reduction of about 50% to its finally desired thickness, whereby both the steel and tin coating are reduced proportionately in thickness. The resulting tinplate has high hardness, high yield and tensile strength, no yield point or yield elongation, high directionality and low ductility, and is much more difficult to work than is conventional tinplate. The weight of such ZCR plate ranges downwardly from lbs. per base box and its hardness ranges from about 70 to 83 tinplate Rockwell SOT. The instant invention is particularly useful in conjunction with can ends made from such stock in weights of 60 lbs. per base box (known in the trade as 60 lbs. 2CR plate) and under, since it has heretofore been impractical to double seam ends made from such stock without unacceptable wrinkling of the end flanges.
While the instant invention is particularly applicable for use with such ZCR plate, it will be realized that it is not necessarily limited for use with this type of stock, and that it can be used with advantage with other types of thin, hard stock wherein wrinkling of the can end flanges is encountered during the double seaming operations.
The end closure 10 generally comprises a flat countersunk central panel 12 which merges at its outer end with a generally upwardly extending countersink wall 14 which in turn merges at its upper end with a generally outwardly extending, curved flange 16 that terminates at its outer end in a relatively tight, downwardly, inwardly and upwardly extending open curl 22 having, for example, a radius of curvature of approximately .038 inch (see FIG. 3) and having its raw edge 23 facing in a generally upward direction. The tight curl 22 may be formed in the flange 16 by any suitable or conventional apparatus, such as curling wheels and segments (not shown).
When the can end is to be seamed onto a can body 24, the central panel 12 and countersink wall 14 of the end closure 10 are positioned within one end of the can body 24, which may be formed of a sheet metal similar to or the same as that from which the end closure 10 is formed, or may be formed of any other suitable material. The can body 24 comprises a side wall 26 which merges at one end thereof with a generally outwardly extending flange 28 (see FIG. 1). It is noted that at any time prior to the positioning of the end closure 10 over one end of the can body 24, the undersurface of the end closure flange 16 may be coated with a layer of a compressible sealing compound 30, such as a conventional latex-based material or a foamed plastisol, in order to provide a hermetic seam between the end closure 10 and the can body 24.
Referring now to FIG. 2, the end closure flange 16 and the can body flange 28 are initially formed into a loose, first operation double seam in a first seaming operation which is accomplished by any suitable apparatus, such as suitably contoured seaming rolls (not shown). Such rolls are conventional and are of the type generally disclosed in the United States Letters Patent 1,699,069. In this first operation double seam, the body flange 28 is rolled downwardly and inwardly toward the body Wall 26 and the end closure flange 16 is rolled downwardly around the end of the body flange 28 and then upwardly into a hook portion 32 which is disposed between the body flange and the body side wall 26. The tight curl 22 in the end closure flange 16 thus is disposed between the hook portion 32 and the body flange 28, and now has its raw edge 23 facing downwardly and in outwardly spaced relationship to the hook portion 32.
It is noted that the formation of the tight curl 22 in the end closure flange 16 serves to reinforce and strengthen the end portion thereof, and thus serves to prevent wrinkling, corrugating or other undesirable nonuniform deformation of the end closure flange 16 during the formation of the first operation double seam (FIG. 2) between the can body 24 and the end closure 10. This reinforcement of the end portion of the closure flange 16 is vital to the successful formation of a commercially acceptable seam embodying lightweight 2CR plate ends, since without such reinforcement, it has been found that this first seam forming operation results in the formation of wrinkles or other deformities in the end closure flange owing to the size reduction thereof during the double seaming operation, and these deformities in turn result in various types of seam malformations, such as pin lips and/ or perforation of the can body 24.
As shown in FIG. 3, the first operation double seam of FIG. 2 subsequently is compressed into a completed, tight double seam by any suitable apparatus, such as a final seaming roll (not shown) of the type disclosed in the aforementioned United States Patent 1,699,069, in a second seam forming operation. In the completed double seam, the tight curl 22 of the end closure flange 16 is collapsed or reformed into a closed hem 34 which is disposed outwardly of the hook portion 32 of the end closure flange 16. The closed hem 34 is disposed between and in tight engagement with the can body flange 28 and the hook portion 32, and has its raw edge 23 facing downwardly.
As a further advantage to the formation of a tight seam, the hem 34 serves to add an additional thickness of metal to the width of the completed double seam, and thus insures that the completed double seam between the end closure 10' and can body 24 of thin sheet metal Will be of suflicient width so as to be more easily engageable by an opening tool to facilitate opening of the finished can.
It is obvious that the instant double seam and method of making the same could be utilized in forming a seam between any type of articles made of thin sheet metal, Without departing from the spirit and scope of the instant invention.
It is thought that the invention and many of its attendant advantages will be understood from the foregoing description and it will be apparent that various changes may be made in the form, construction and arrangement of the parts Without departing from the spirit and scope of the invention or sacrificing all of its material advantages, the form hereinbefore described being merely a preferred embodiment thereof.
What is claimed is:
1. A container comprising a body and an end closure of tinplate having a weight of not more than about 100 pounds per base box and a hardness from about to 83 Rockwell 30T, secured to said body in a double seam, said body extending reversely back on itself to form an outwardly disposed end flange, said closure having a peripheral flange extending outwardly of said body flange and then inwardly around the end portion thereof, said end closure flange terminating in a hook portion having the end thereof formed into an outwardly extending narrow closed hem which is disposed between said body flange and the adjacent portion of said body.
2. The container of claim 1 wherein said hem is disposed in engagement with said body flange.
3. A container comprising a thin sheet metal body and a thin sheet metal end closure secured to said body ina double seam, said body extending reversely back on itself to form an outwardly disposed end flange, said closure having a countersink wall disposed within an end of said body and a peripheral flange extending outwardly from said countersink wall and over said body flange, said end closure flange being bent inwardly around the end portion of said body flange and terminating in a hook portion having the end thereof formed into an outwardly extending narrow closed hem which is disposed between said body flange and the adjacent portion of said body.
4. The container of claim 3 wherein a layer of sealing material is disposed between said body and said end closure flanges to provide a hermetic seam therebetween.
References Cited UNITED STATES PATENTS Re. 14,109 4/1916 Symonds 22067 208,065 9/ 1878 Bradford 22064 231,922 9/ 1880 McAvoy 22064 782,142 2/ 1905 Kenny 22078 FOREIGN PATENTS 676,768 11/ 1929 France.
RAPHAEL H. SCHWARTZ, Primary Examiner.
THERON E. CONDON, Examiner.
US417563A 1964-12-11 1964-12-11 Container seam and method of making same Expired - Lifetime US3367533A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US417563A US3367533A (en) 1964-12-11 1964-12-11 Container seam and method of making same
GB52448/65A GB1124968A (en) 1964-12-11 1965-12-10 Improvements in, and a method of making, container seams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US417563A US3367533A (en) 1964-12-11 1964-12-11 Container seam and method of making same

Publications (1)

Publication Number Publication Date
US3367533A true US3367533A (en) 1968-02-06

Family

ID=23654492

Family Applications (1)

Application Number Title Priority Date Filing Date
US417563A Expired - Lifetime US3367533A (en) 1964-12-11 1964-12-11 Container seam and method of making same

Country Status (2)

Country Link
US (1) US3367533A (en)
GB (1) GB1124968A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491936A (en) * 1967-12-05 1970-01-27 Continental Can Co Plastic can with metal end
US3715054A (en) * 1971-06-11 1973-02-06 American Can Co Can end closure curl
US3757716A (en) * 1971-06-11 1973-09-11 American Can Co Curler tool
US4055271A (en) * 1976-06-22 1977-10-25 Aluminum Company Of America Sheet metal container
US4055133A (en) * 1975-07-31 1977-10-25 Gallay S.A. Method and apparatus for triple roll seaming end closures to container bodies
US4293090A (en) * 1980-03-28 1981-10-06 Clevepak Corporation Container seam
US4561555A (en) * 1984-12-13 1985-12-31 Continental Plastic Beverage Bottles, Inc. Plastic container having enlarged free end portion for receiving a metal end unit by double seaming
US4735863A (en) * 1984-01-16 1988-04-05 Dayton Reliable Tool & Mfg. Co. Shell for can
US4862722A (en) * 1984-01-16 1989-09-05 Dayton Reliable Tool & Mfg. Co. Method for forming a shell for a can type container
US5765714A (en) * 1995-08-10 1998-06-16 Osaka Shipbuilding Co., Ltd. Lid mounting structure for pressure vessel
US20080047922A1 (en) * 2006-08-22 2008-02-28 Olson Christopher J Metal bottle seal
US20110095030A1 (en) * 2009-10-28 2011-04-28 Dave Dunn Container assembly having a heat-sealed metal end, a metal end therefor, and a method for making same
CN102858643A (en) * 2010-02-04 2013-01-02 皇冠包装技术公司 Can body
US20130134165A1 (en) * 2011-03-11 2013-05-30 Eric Paul Ciccotelli Protective Cover
US9174262B2 (en) 2010-04-12 2015-11-03 Crown Packaging Technology, Inc. Can manufacture
US9545655B2 (en) 2010-02-04 2017-01-17 Crown Packaging Technology, Inc. Can manufacture

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA807387B (en) * 1979-12-08 1981-11-25 Metal Box Co Ltd Containers
US4626158A (en) * 1983-07-05 1986-12-02 Gallay S.A. Container seam and a process for forming a container seam
FR2552689B1 (en) * 1983-09-30 1987-06-19 Gallay Sa PROCESS FOR OBTAINING TRIPLE CRIMPING
BR9003371A (en) * 1990-07-13 1991-07-16 Antonio Henrique Kramer CANS MANUFACTURING PROCESS
AT402906B (en) * 1990-07-13 1997-09-25 Kramer Antonio Henrique METHOD FOR PRODUCING CAN

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US208065A (en) * 1878-09-17 Improvement in tin cans
US231922A (en) * 1880-09-07 moavot
US782142A (en) * 1904-04-04 1905-02-07 Michael J Kenny Sheet-metal article.
FR676768A (en) * 1928-08-17 1930-02-27 Dorogi Es Tarsa Gummigyar R T Rubber object composed of thin and flat sheets and its manufacturing process

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US208065A (en) * 1878-09-17 Improvement in tin cans
US231922A (en) * 1880-09-07 moavot
US782142A (en) * 1904-04-04 1905-02-07 Michael J Kenny Sheet-metal article.
FR676768A (en) * 1928-08-17 1930-02-27 Dorogi Es Tarsa Gummigyar R T Rubber object composed of thin and flat sheets and its manufacturing process

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3491936A (en) * 1967-12-05 1970-01-27 Continental Can Co Plastic can with metal end
US3715054A (en) * 1971-06-11 1973-02-06 American Can Co Can end closure curl
US3757716A (en) * 1971-06-11 1973-09-11 American Can Co Curler tool
US4055133A (en) * 1975-07-31 1977-10-25 Gallay S.A. Method and apparatus for triple roll seaming end closures to container bodies
US4055271A (en) * 1976-06-22 1977-10-25 Aluminum Company Of America Sheet metal container
US4293090A (en) * 1980-03-28 1981-10-06 Clevepak Corporation Container seam
US4735863A (en) * 1984-01-16 1988-04-05 Dayton Reliable Tool & Mfg. Co. Shell for can
US4862722A (en) * 1984-01-16 1989-09-05 Dayton Reliable Tool & Mfg. Co. Method for forming a shell for a can type container
US4561555A (en) * 1984-12-13 1985-12-31 Continental Plastic Beverage Bottles, Inc. Plastic container having enlarged free end portion for receiving a metal end unit by double seaming
US5765714A (en) * 1995-08-10 1998-06-16 Osaka Shipbuilding Co., Ltd. Lid mounting structure for pressure vessel
US20080047922A1 (en) * 2006-08-22 2008-02-28 Olson Christopher J Metal bottle seal
US10384838B2 (en) 2006-08-22 2019-08-20 Stolle Machinery Company, Llc Metal bottle seal
US10040608B2 (en) 2006-08-22 2018-08-07 Stolle Machinery Company, Llc Metal bottle seal
US20110095030A1 (en) * 2009-10-28 2011-04-28 Dave Dunn Container assembly having a heat-sealed metal end, a metal end therefor, and a method for making same
US9789996B2 (en) 2009-10-28 2017-10-17 Sonoco Development, Inc. Container assembly having a heat-sealed metal end, a metal end therefor, and a method for making same
US11628969B2 (en) 2009-10-28 2023-04-18 Sonoco Development, Inc. Container assembly having a heat-sealed metal end, a metal end therefor, and a method for making same
US10532851B2 (en) 2009-10-28 2020-01-14 Sonoco Development, Inc. Container assembly having a heat-sealed metal end, a metal end therefor, and a method for making same
US9150328B2 (en) * 2009-10-28 2015-10-06 Sonoco Development, Inc. Container assembly having a heat-sealed metal end, a metal end therefor, and a method for making same
CN102858643A (en) * 2010-02-04 2013-01-02 皇冠包装技术公司 Can body
US9545655B2 (en) 2010-02-04 2017-01-17 Crown Packaging Technology, Inc. Can manufacture
US9334078B2 (en) * 2010-02-04 2016-05-10 Crown Packaging Technology, Inc. Can manufacture
US20130134173A1 (en) * 2010-02-04 2013-05-30 Crown Packaging Technology, Inc. Can manufacture
US9555459B2 (en) 2010-04-12 2017-01-31 Crown Packaging Technology, Inc. Can manufacture
US9174262B2 (en) 2010-04-12 2015-11-03 Crown Packaging Technology, Inc. Can manufacture
US20130134165A1 (en) * 2011-03-11 2013-05-30 Eric Paul Ciccotelli Protective Cover

Also Published As

Publication number Publication date
GB1124968A (en) 1968-08-21

Similar Documents

Publication Publication Date Title
US3367533A (en) Container seam and method of making same
US3998174A (en) Light-weight, high-strength, drawn and ironed, flat rolled steel container body method of manufacture
US3786957A (en) Double stage necking
US3964413A (en) Methods for necking-in sheet metal can bodies
US3838788A (en) Can end construction
US3417898A (en) Dual wall can end
US4809861A (en) Buckle resistant can end
US5911551A (en) Containers
US3705563A (en) Method of forming convenience closure for container body
US4790705A (en) Method of forming a buckle resistant can end
US3845653A (en) Double stage necking
US2337452A (en) Method of making container closures
US3073480A (en) Light weight metal double seam having easy opening features
EP0103074A2 (en) Increased strenght for metal closures through reversing curved segments
US3142280A (en) Container and method of forming the same
GB2250972A (en) Can bodies
US3358876A (en) Reverse seam can with hermetic drumhead
US2237535A (en) Method of making welded connections for sheet metal articles
US2299090A (en) Container and method of producing the same
JP2016520026A (en) Beverage can end having an arcuate panel wall and a curved transition wall
JP5524563B2 (en) Welded can
US3295485A (en) End closure
US5147058A (en) Easily opened metal lid for a container
US2160866A (en) Container body forming mechanism
US2303019A (en) Method of flanging can bodies